Move job struct into job.c.

8 files changed, 141 insertions, 97 deletions

diff --git a/cmd-if-shell.c b/cmd-if-shell.c
index d7ce3039..ffdbe788 100644
--- a/cmd-if-shell.c
+++ b/cmd-if-shell.c
@@ -132,14 +132,16 @@ cmd_if_shell_exec(struct cmd *self, struct cmdq_item *item)
 static void
 cmd_if_shell_callback(struct job *job)
 {
-	struct cmd_if_shell_data	*cdata = job->data;
+	struct cmd_if_shell_data	*cdata = job_get_data(job);
 	struct client			*c = cdata->client;
 	struct cmd_list			*cmdlist;
 	struct cmdq_item		*new_item;
 	char				*cause, *cmd, *file = cdata->file;
 	u_int				 line = cdata->line;
+	int				 status;
 
-	if (!WIFEXITED(job->status) || WEXITSTATUS(job->status) != 0)
+	status = job_get_status(job);
+	if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
 		cmd = cdata->cmd_else;
 	else
 		cmd = cdata->cmd_if;
diff --git a/cmd-run-shell.c b/cmd-run-shell.c
index a9961988..ff12b5cd 100644
--- a/cmd-run-shell.c
+++ b/cmd-run-shell.c
@@ -57,7 +57,7 @@ struct cmd_run_shell_data {
 static void
 cmd_run_shell_print(struct job *job, const char *msg)
 {
-	struct cmd_run_shell_data	*cdata = job->data;
+	struct cmd_run_shell_data	*cdata = job_get_data(job);
 	struct window_pane		*wp = NULL;
 	struct cmd_find_state		 fs;
 
@@ -113,22 +113,23 @@ cmd_run_shell_exec(struct cmd *self, struct cmdq_item *item)
 static void
 cmd_run_shell_callback(struct job *job)
 {
-	struct cmd_run_shell_data	*cdata = job->data;
-	char				*cmd = cdata->cmd, *msg, *line;
+	struct cmd_run_shell_data	*cdata = job_get_data(job);
+	struct bufferevent		*event = job_get_event(job);
+	char				*cmd = cdata->cmd, *msg = NULL, *line;
 	size_t				 size;
-	int				 retcode;
+	int				 retcode, status;
 
 	do {
-		if ((line = evbuffer_readline(job->event->input)) != NULL) {
+		if ((line = evbuffer_readline(event->input)) != NULL) {
 			cmd_run_shell_print(job, line);
 			free(line);
 		}
 	} while (line != NULL);
 
-	size = EVBUFFER_LENGTH(job->event->input);
+	size = EVBUFFER_LENGTH(event->input);
 	if (size != 0) {
 		line = xmalloc(size + 1);
-		memcpy(line, EVBUFFER_DATA(job->event->input), size);
+		memcpy(line, EVBUFFER_DATA(event->input), size);
 		line[size] = '\0';
 
 		cmd_run_shell_print(job, line);
@@ -136,12 +137,12 @@ cmd_run_shell_callback(struct job *job)
 		free(line);
 	}
 
-	msg = NULL;
-	if (WIFEXITED(job->status)) {
-		if ((retcode = WEXITSTATUS(job->status)) != 0)
+	status = job_get_status(job);
+	if (WIFEXITED(status)) {
+		if ((retcode = WEXITSTATUS(status)) != 0)
 			xasprintf(&msg, "'%s' returned %d", cmd, retcode);
-	} else if (WIFSIGNALED(job->status)) {
-		retcode = WTERMSIG(job->status);
+	} else if (WIFSIGNALED(status)) {
+		retcode = WTERMSIG(status);
 		xasprintf(&msg, "'%s' terminated by signal %d", cmd, retcode);
 	}
 	if (msg != NULL)
diff --git a/cmd-show-messages.c b/cmd-show-messages.c
index 523ca054..e4b51fa8 100644
--- a/cmd-show-messages.c
+++ b/cmd-show-messages.c
@@ -44,7 +44,6 @@ const struct cmd_entry cmd_show_messages_entry = {
 };
 
 static int	cmd_show_messages_terminals(struct cmdq_item *, int);
-static int	cmd_show_messages_jobs(struct cmdq_item *, int);
 
 static int
 cmd_show_messages_terminals(struct cmdq_item *item, int blank)
@@ -67,25 +66,6 @@ cmd_show_messages_terminals(struct cmdq_item *item, int blank)
 	return (n != 0);
 }
 
-static int
-cmd_show_messages_jobs(struct cmdq_item *item, int blank)
-{
-	struct job	*job;
-	u_int		 n;
-
-	n = 0;
-	LIST_FOREACH(job, &all_jobs, entry) {
-		if (blank) {
-			cmdq_print(item, "%s", "");
-			blank = 0;
-		}
-		cmdq_print(item, "Job %u: %s [fd=%d, pid=%ld, status=%d]",
-		    n, job->cmd, job->fd, (long)job->pid, job->status);
-		n++;
-	}
-	return (n != 0);
-}
-
 static enum cmd_retval
 cmd_show_messages_exec(struct cmd *self, struct cmdq_item *item)
 {
@@ -104,7 +84,7 @@ cmd_show_messages_exec(struct cmd *self, struct cmdq_item *item)
 		done = 1;
 	}
 	if (args_has(args, 'J')) {
-		cmd_show_messages_jobs(item, blank);
+		job_print_summary(item, blank);
 		done = 1;
 	}
 	if (done)
diff --git a/format.c b/format.c
index ccf6c1ca..4244ff0c 100644
--- a/format.c
+++ b/format.c
@@ -191,8 +191,8 @@ static const char *format_lower[] = {
 static void
 format_job_update(struct job *job)
 {
-	struct format_job	*fj = job->data;
-	struct evbuffer		*evb = job->event->input;
+	struct format_job	*fj = job_get_data(job);
+	struct evbuffer		*evb = job_get_event(job)->input;
 	char			*line = NULL, *next;
 	time_t			 t;
 
@@ -221,18 +221,19 @@ format_job_update(struct job *job)
 static void
 format_job_complete(struct job *job)
 {
-	struct format_job	*fj = job->data;
+	struct format_job	*fj = job_get_data(job);
+	struct evbuffer		*evb = job_get_event(job)->input;
 	char			*line, *buf;
 	size_t			 len;
 
 	fj->job = NULL;
 
 	buf = NULL;
-	if ((line = evbuffer_readline(job->event->input)) == NULL) {
-		len = EVBUFFER_LENGTH(job->event->input);
+	if ((line = evbuffer_readline(evb)) == NULL) {
+		len = EVBUFFER_LENGTH(evb);
 		buf = xmalloc(len + 1);
 		if (len != 0)
-			memcpy(buf, EVBUFFER_DATA(job->event->input), len);
+			memcpy(buf, EVBUFFER_DATA(evb), len);
 		buf[len] = '\0';
 	} else
 		buf = line;
diff --git a/job.c b/job.c
index 5cbe31cd..e106cd01 100644
--- a/job.c
+++ b/job.c
@@ -37,8 +37,32 @@ static void	job_read_callback(struct bufferevent *, void *);
 static void	job_write_callback(struct bufferevent *, void *);
 static void	job_error_callback(struct bufferevent *, short, void *);
 
+struct job {
+	enum {
+		JOB_RUNNING,
+		JOB_DEAD,
+		JOB_CLOSED
+	} state;
+
+	int			 flags;
+
+	char			*cmd;
+	pid_t			 pid;
+	int			 status;
+
+	int			 fd;
+	struct bufferevent	*event;
+
+	job_update_cb		 updatecb;
+	job_complete_cb		 completecb;
+	job_free_cb		 freecb;
+	void			*data;
+
+	LIST_ENTRY(job)		 entry;
+};
+
 /* All jobs list. */
-struct joblist	all_jobs = LIST_HEAD_INITIALIZER(all_jobs);
+LIST_HEAD(joblist, job) all_jobs = LIST_HEAD_INITIALIZER(all_jobs);
 
 /* Start a job running, if it isn't already. */
 struct job *
@@ -208,8 +232,16 @@ job_error_callback(__unused struct bufferevent *bufev, __unused short events,
 
 /* Job died (waitpid() returned its pid). */
 void
-job_died(struct job *job, int status)
+job_check_died(pid_t pid, int status)
 {
+	struct job	*job;
+
+	LIST_FOREACH(job, &all_jobs, entry) {
+		if (pid == job->pid)
+			break;
+	}
+	if (job == NULL)
+		return;
 	log_debug("job died %p: %s, pid %ld", job, job->cmd, (long) job->pid);
 
 	job->status = status;
@@ -223,3 +255,67 @@ job_died(struct job *job, int status)
 		job->state = JOB_DEAD;
 	}
 }
+
+/* Get job status. */
+int
+job_get_status(struct job *job)
+{
+	return (job->status);
+}
+
+/* Get job data. */
+void *
+job_get_data(struct job *job)
+{
+	return (job->data);
+}
+
+/* Get job event. */
+struct bufferevent *
+job_get_event(struct job *job)
+{
+	return (job->event);
+}
+
+/* Kill all jobs. */
+void
+job_kill_all(void)
+{
+	struct job	*job;
+
+	LIST_FOREACH(job, &all_jobs, entry) {
+		if (job->pid != -1)
+			kill(job->pid, SIGTERM);
+	}
+}
+
+/* Are any jobs still running? */
+int
+job_still_running(void)
+{
+	struct job	*job;
+
+	LIST_FOREACH(job, &all_jobs, entry) {
+		if ((~job->flags & JOB_NOWAIT) && job->state == JOB_RUNNING)
+			return (1);
+	}
+	return (0);
+}
+
+/* Print job summary. */
+void
+job_print_summary(struct cmdq_item *item, int blank)
+{
+	struct job	*job;
+	u_int		 n = 0;
+
+	LIST_FOREACH(job, &all_jobs, entry) {
+		if (blank) {
+			cmdq_print(item, "%s", "");
+			blank = 0;
+		}
+		cmdq_print(item, "Job %u: %s [fd=%d, pid=%ld, status=%d]",
+		    n, job->cmd, job->fd, (long)job->pid, job->status);
+		n++;
+	}
+}
diff --git a/server.c b/server.c
index e897e765..dd09c3c4 100644
--- a/server.c
+++ b/server.c
@@ -162,7 +162,6 @@ server_start(struct tmuxproc *client, struct event_base *base, int lockfd,
     char *lockfile)
 {
 	int		 pair[2];
-	struct job	*job;
 	sigset_t	 set, oldset;
 	struct client	*c;
 	char		*cause = NULL;
@@ -223,17 +222,13 @@ server_start(struct tmuxproc *client, struct event_base *base, int lockfd,
 	}
 
 	start_cfg();
-
 	server_add_accept(0);
 
 	proc_loop(server_proc, server_loop);
 
-	LIST_FOREACH(job, &all_jobs, entry) {
-		if (job->pid != -1)
-			kill(job->pid, SIGTERM);
-	}
-
+	job_kill_all();
 	status_prompt_save_history();
+
 	exit(0);
 }
 
@@ -243,7 +238,6 @@ server_loop(void)
 {
 	struct client	*c;
 	u_int		 items;
-	struct job	*job;
 
 	do {
 		items = cmdq_next(NULL);
@@ -276,10 +270,8 @@ server_loop(void)
 	if (!TAILQ_EMPTY(&clients))
 		return (0);
 
-	LIST_FOREACH(job, &all_jobs, entry) {
-		if ((~job->flags & JOB_NOWAIT) && job->state == JOB_RUNNING)
-			return (0);
-	}
+	if (job_still_running())
+		return (0);
 
 	return (1);
 }
@@ -457,7 +449,6 @@ server_child_exited(pid_t pid, int status)
 {
 	struct window		*w, *w1;
 	struct window_pane	*wp;
-	struct job		*job;
 
 	RB_FOREACH_SAFE(w, windows, &windows, w1) {
 		TAILQ_FOREACH(wp, &w->panes, entry) {
@@ -474,13 +465,7 @@ server_child_exited(pid_t pid, int status)
 			}
 		}
 	}
-
-	LIST_FOREACH(job, &all_jobs, entry) {
-		if (pid == job->pid) {
-			job_died(job, status);	/* might free job */
-			break;
-		}
-	}
+	job_check_died(pid, status);
 }
 
 /* Handle stopped children. */
diff --git a/tmux.h b/tmux.h
index 62170215..7a1cc502 100644
--- a/tmux.h
+++ b/tmux.h
@@ -44,6 +44,7 @@ struct cmdq_list;
 struct environ;
 struct format_job_tree;
 struct input_ctx;
+struct job;
 struct mode_tree_data;
 struct mouse_event;
 struct options;
@@ -619,37 +620,6 @@ struct hook {
 	RB_ENTRY(hook)	 entry;
 };
 
-/* Scheduled job. */
-struct job;
-typedef void (*job_update_cb) (struct job *);
-typedef void (*job_complete_cb) (struct job *);
-typedef void (*job_free_cb) (void *);
-struct job {
-	enum {
-		JOB_RUNNING,
-		JOB_DEAD,
-		JOB_CLOSED
-	} state;
-
-	int			 flags;
-#define JOB_NOWAIT 0x1
-
-	char			*cmd;
-	pid_t			 pid;
-	int			 status;
-
-	int			 fd;
-	struct bufferevent	*event;
-
-	job_update_cb		 updatecb;
-	job_complete_cb		 completecb;
-	job_free_cb		 freecb;
-	void			*data;
-
-	LIST_ENTRY(job)		 entry;
-};
-LIST_HEAD(joblist, job);
-
 /* Virtual screen. */
 struct screen_sel;
 struct screen_titles;
@@ -1628,11 +1598,20 @@ void		 options_style_update_old(struct options *,
 extern const struct options_table_entry options_table[];
 
 /* job.c */
-extern struct joblist all_jobs;
+typedef void (*job_update_cb) (struct job *);
+typedef void (*job_complete_cb) (struct job *);
+typedef void (*job_free_cb) (void *);
+#define JOB_NOWAIT 0x1
 struct job	*job_run(const char *, struct session *, const char *,
 		     job_update_cb, job_complete_cb, job_free_cb, void *, int);
 void		 job_free(struct job *);
-void		 job_died(struct job *, int);
+void		 job_check_died(pid_t, int);
+int		 job_get_status(struct job *);
+void		*job_get_data(struct job *);
+struct bufferevent *job_get_event(struct job *);
+void		 job_kill_all(void);
+int		 job_still_running(void);
+void		 job_print_summary(struct cmdq_item *, int);
 
 /* environ.c */
 struct environ *environ_create(void);
diff --git a/window-copy.c b/window-copy.c
index 5d533931..5065df0d 100644
--- a/window-copy.c
+++ b/window-copy.c
@@ -1687,7 +1687,7 @@ window_copy_copy_pipe(struct window_pane *wp, struct session *s,
 	expanded = format_single(NULL, arg, NULL, s, NULL, wp);
 
 	job = job_run(expanded, s, NULL, NULL, NULL, NULL, NULL, JOB_NOWAIT);
-	bufferevent_write(job->event, buf, len);
+	bufferevent_write(job_get_event(job), buf, len);
 
 	free(expanded);
 	window_copy_copy_buffer(wp, bufname, buf, len);